shell:$ nslookup -timeout=2 -retry=1 'datasets-api.speedtest.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
datasets-api.speedtest.net	canonical name = datasets-api.speedtest.net.cdn.cloudflare.net.
Name:	datasets-api.speedtest.net.cdn.cloudflare.net
Address: 104.18.15.56
Name:	datasets-api.speedtest.net.cdn.cloudflare.net
Address: 104.18.14.56
Name:	datasets-api.speedtest.net.cdn.cloudflare.net
Address: 2606:4700::6812:f38
Name:	datasets-api.speedtest.net.cdn.cloudflare.net
Address: 2606:4700::6812:e38